lithium-binaphthoxide in tetrahydrofuran T=-70°C; 7 h; var. time and temp.;

1: phosphonic acid dimethyl ester With titanium(IV) isopropylate in dichloromethane T=0°C; 0.5 h; 2: 3-phenyl-propenal in dichloromethane

1: dimethyl hydrogen phosphite With titanium(IV) isopropylate in dichloromethane T=0°C; 0.5 h; 2: 3-phenyl-propenal

chloro-trimethyl-silane; lithium perchlorate in diethyl ether T=20°C; 0.0833333 h;

Grubb's 2nd generation catalyst in chloroform T=40°C;

1: dimethyl hydrogen phosphite; 3-phenyl-propenal With titanium(IV) isopropylate; 4(1S,2S)-trans-1,2-cyclohexanediol in diethyl ether T=-15°C; 2: acetyl chloride With poly(4-vinyl)pyridine in acetonitrile T=20°C; 3: With Rhizopus arrizhus lipase in phosphate buffer pH=7.0; Title compound not separated from byproducts;

Grubb's 2nd generation catalyst in methanol

sodium methylate

tris-(2-chloro-ethyl)-amine; 1,8-diazabicyclo[5.4.0]undec-7-ene; triphenylphosphine; diethylazodicarboxylate 1.) toluene, -35 deg C, 3.5 h, 2.) toluene, 80 deg C, 2.75 h; Yield given. Multistep reaction. Yields of byproduct given;